Pandas 如何向数据帧中的列添加多个变量数组？

我有两个变量，输出如下：

xvals =   [ 0.          0.6122449   1.2244898   1.83673469  2.44897959  3.06122449
  3.67346939  4.28571429  4.89795918  5.51020408  6.12244898  6.73469388
  7.34693878  7.95918367  8.57142857  9.18367347  9.79591837 10.40816327
 11.02040816 11.63265306 12.24489796 12.85714286 13.46938776 14.08163265
 14.69387755 15.30612245 15.91836735 16.53061224 17.14285714 17.75510204
 18.36734694 18.97959184 19.59183673 20.20408163 20.81632653 21.42857143
 22.04081633 22.65306122 23.26530612 23.87755102 24.48979592 25.10204082
 25.71428571 26.32653061 26.93877551 27.55102041 28.16326531 28.7755102
 29.3877551  30.        ] 

yvals = [ 1.08042695  1.29732901  1.5536316   1.85473976  2.20608434  2.61280247
  3.07931361  3.60880018  4.202625    4.85974672  5.57622332  6.34491235
  7.15547305  7.99474177  8.847487    9.69746943 10.5286583  11.32641498
 12.07846336 12.77552085 13.41154314 13.98361401 14.49156649 14.93744511
 15.32491328 15.65868667 15.94404387 16.18643764 16.39120969 16.56339873
 16.70762551 16.82803663 16.92829061 17.01157226 17.08062432 17.13778845
 17.18504993 17.22408234 17.25628996 17.28284669 17.30473078 17.32275544
 17.33759523 17.34980878 17.35985809 17.36812476 17.37492375 17.38051477
 17.38511185 17.38889129]

我正在尝试以以下格式将其移动到数据帧：

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我尝试了一些不同的方法，但我不确定我的输出是以空格分隔而不是以逗号分隔这一事实是否会导致我出现问题

如果需要传递2个大小相同的numpy 1d数组，请使用DataFrame Constructor：

df = pd.DataFrame({'xvals': xvals, 'yvals': yvals})